#include<stdio.h>
int main12()
{
	char a = 10;
	printf("%p\n", &a);

	int b = sizeof(a);
	printf("%d\n", b);

	size_t c = sizeof(a);
	printf("%d\n", c);

	//extern int cs ;
	//cs = 3;
	register int e = 2;
	

	volatile int f = 3;
	const int g = 4;
	

	return 0;
}